Rapid: Individual Calculations August 2023
 Petruch, Gracjan  Total change: 22.80  Rating chartPersonal card
 III Bieszczadzki Festiwal Szachowy - RAPID Bystre POL 2023-07-29
RcRownchangeKK*chgGame
 1660 1215 1.00 5 0.57 40 22.80 
  Powalka, Michal 1892 POL0.5010.494019.60 
  Laskowski, Andrzej 1421 POL0.5010.264010.40 
  Kowalski, Witold 1691 POL0.001-0.0540-2.00 
  Polak, Sylwia 1643 POL0.001-0.0740-2.80 
  Mirowski, Przemyslaw 1651 POL0.001-0.0640-2.40 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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